# Changelog For more details go to [emsesp.org](https://emsesp.org/). ## [3.9.0] ## Added - user-requested LED blink [#3063](https://github.com/emsesp/EMS-ESP32/issues/3063) - KM300 at address 0x4A [#3084](https://github.com/emsesp/EMS-ESP32/issues/3084) ## Fixed - signed value for solarInfuence [#3077](https://github.com/emsesp/EMS-ESP32/issues/3077) ## Changed - various memory optimizations [#3083](https://github.com/emsesp/EMS-ESP32/issues/3083)